
    <script>


function loadXMLDoc() {
    xmlhttp = new XMLHttpRequest();
    xmlhttp.onreadystatechange = function () {
        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
            resp = xmlhttp.responseText;
            document.getElementById("myDiv").innerHTML = resp;
            if (resp == 1) {
                var tSrc = document.getElementById("state").getAttribute("tSrc");
                var src = document.getElementById("state").getAttribute("src");
                document.getElementById("state").src = tSrc;
                document.getElementById("state").tSrc = src;
                document.getElementById("myDiv").innerHTML = "<h1>部署完毕!<h1>";
                clearInterval(flags);
                  }
            }

         };

    xmlhttp.open("GET", "/static/polls/deploy_pages.txt", true);
    xmlhttp.send();
    }

    flags = window.setInterval(loadXMLDoc, 3000);


    </script>

    <meta charset="UTF-8">
    <title>Title</title>
</head>



<body>

<center>

{% load static %}

<img id="state" src="{% static 'polls/images/progress_bar.gif' %}"  tSrc="{% static 'polls/images/done.jpg' %}"      alt="progress" />

<font size="10">
<div id="myDiv"><h2> </h2></div>

</font>

</center>
